add brazilian contact phone number validator

Gemfile

@@ -145,6 +145,7 @@ gem 'faker'
 gem 'net-imap', require: false
 gem 'net-pop', require: false
 gem 'net-smtp', require: false
+gem 'phonelib'
 
 group :production, :staging do
   # we dont want request timing out in development while using byebug

Gemfile.lock

@@ -493,6 +493,7 @@ GEM
     pg_search (2.3.6)
       activerecord (>= 5.2)
       activesupport (>= 5.2)
+    phonelib (0.7.1)
     procore-sift (0.16.0)
       rails (> 4.2.0)
     pry (0.14.1)
@@ -824,6 +825,7 @@ DEPENDENCIES
   omniauth-rails_csrf_protection (~> 1.0)
   pg
   pg_search
+  phonelib
   procore-sift
   pry-rails
   puma

app/models/concerns/brazilian_number_validator.rb

@@ -0,0 +1,13 @@
+require 'phonelib'
+
+class BrazilianNumberValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    return if value.blank?
+
+    phone = Phonelib.parse(value)
+
+    return if phone.country != 'BR' || phone.valid? || phone.type != :mobile || phone.local_number.scan(/\d/).join.length >= 11
+
+    record.errors.add(attribute, (options[:message] || 'Número esta inválido ou é um celular e precisa ter o nono digito!'))
+  end
+end

app/models/contact.rb

@@ -34,6 +34,7 @@ class Contact < ApplicationRecord
   validates :phone_number,
             allow_blank: true, uniqueness: { scope: [:account_id] },
             format: { with: /\+[1-9]\d{1,14}\z/, message: I18n.t('errors.contacts.phone_number.invalid') }
+  validates :phone_number, brazilian_number: true
   validates :name, length: { maximum: 255 }
 
   belongs_to :account